package cn.tedu.ivos.user.service.impl;

import cn.tedu.ivos.base.exception.ServiceException;
import cn.tedu.ivos.base.response.StatusCode;
import cn.tedu.ivos.user.mapper.UserMapper;
import cn.tedu.ivos.user.pojo.dto.UserLoginParam;
import cn.tedu.ivos.user.pojo.dto.UserQuery;
import cn.tedu.ivos.user.pojo.dto.UserSaveParam;
import cn.tedu.ivos.user.pojo.entity.User;
import cn.tedu.ivos.user.pojo.vo.UserVO;
import cn.tedu.ivos.user.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;


@Slf4j
@Service
public class UserServiceImpl implements UserService {
    @Autowired
    UserMapper userMapper;
    @Override
    public UserVO login(UserLoginParam userLoginParam) {
        log.debug("用户登录，参数：{}",userLoginParam);
        UserVO userVO = userMapper.selectByUsername(userLoginParam.getUsername());
        if(userVO==null){
            throw new ServiceException(StatusCode.USERNAME_ERROR);
        }
        if(!userVO.getPassword().equals(userLoginParam.getPassword())){
            throw new ServiceException(StatusCode.PASSWORD_ERROR);
        }
        return userVO;
    }

    @Override
    public void saveUser(UserSaveParam userSaveParam) {
        User user = new User();
        BeanUtils.copyProperties(userSaveParam,user);
        if(user.getId()==null){
            //新增用户时要判断该用户名是否存在
            if(userMapper.selectByUsername(user.getUsername())!=null){
                throw new ServiceException(StatusCode.USERNAME_ALREADY_EXISTS);
            }
            //注意:员工数据不是员工自己注册的，所以需要预设一个初始密码
            user.setPassword("123456");
            user.setCreateTime(new Date());
            userMapper.insert(user);
        }else{
            user.setUpdateTime(new Date());
            userMapper.update(user);
        }
    }

    @Override
    public List<UserVO> selectUser(UserQuery userQuery) {
        List<UserVO> list = userMapper.selectUser(userQuery);
        return list;
    }

    @Override
    public void resetPassword(Long userId) {
        User user = new User();
        user.setId(userId);
        user.setPassword("admin");
        userMapper.update(user);
    }

    @Override
    public void updateStatus(Long userId, String status) {
        User user = new User();
        user.setId(userId);
        user.setStatus(status);
        userMapper.update(user);
    }

    @Override
    public void deleteUser(Long userId) {
        userMapper.deleteById(userId);
    }

    @Override
    public List<UserVO> selectAuditList(Long parentId) {
        ArrayList<UserVO> userVOList = new ArrayList<>();
        //根据上级用户id将审批人查出，添加到list中
         UserVO auditUser1 = userMapper.selectById(parentId);
         userVOList.add(auditUser1);
         //如果查到有上级，且上级还有上级
        if(auditUser1 !=null && auditUser1.getParentId() != null){
//            查询上上级添加到集合中
            UserVO auditUser2 = userMapper.selectById(auditUser1.getParentId());
            userVOList.add(auditUser2);
        }

        return userVOList;
    }
}